The check whether s_inodes_count is correct in ext2fs_open() can
overflow and thus not catch all problematic cases. Fix the test.
Reviewed-by: Andreas Dilger <adilger@xxxxxxxxx>
Signed-off-by: Jan Kara <jack@xxxxxxx>
---
lib/ext2fs/openfs.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/lib/ext2fs/openfs.c b/lib/ext2fs/openfs.c
index 532e70f7f645..e9ad0cd1a2c6 100644
--- a/lib/ext2fs/openfs.c
+++ b/lib/ext2fs/openfs.c
@@ -386,7 +386,7 @@ errcode_t ext2fs_open2(const char *name, const char *io_options,
goto cleanup;
}
fs->group_desc_count = groups_cnt;
- if (fs->group_desc_count * EXT2_INODES_PER_GROUP(fs->super) !=
+ if ((__u64)fs->group_desc_count * EXT2_INODES_PER_GROUP(fs->super) !=
fs->super->s_inodes_count) {
retval = EXT2_ET_CORRUPT_SUPERBLOCK;
goto cleanup;
--
2.13.7
